19116790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 45122112

約数和(自身を除く): 26005322

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 61, 70, 74, 77, 110, 121, 122, 154, 185, 242, 259, 305, 370, 385, 407, 427, 518, 605, 610, 671, 770, 814, 847, 854, 1210, 1295, 1342, 1694, 2035, 2135, 2257, 2590, 2849, 3355, 4070, 4235, 4270, 4477, 4514, 4697, 5698, 6710, 7381, 8470, 8954, 9394, 11285, 14245, 14762, 15799, 22385, 22570, 23485, 24827, 28490, 31339, 31598, 36905, 44770, 46970, 49654, 51667, 62678, 73810, 78995, 103334, 124135, 156695, 157990, 173789, 248270, 258335, 273097, 313390, 347578, 516670, 546194, 868945, 1365485, 1737890, 1911679, 2730970, 3823358, 9558395, 19116790]

約数ペア:

[(1, 19116790), (2, 9558395), (5, 3823358), (7, 2730970), (10, 1911679), (11, 1737890), (14, 1365485), (22, 868945), (35, 546194), (37, 516670), (55, 347578), (61, 313390), (70, 273097), (74, 258335), (77, 248270), (110, 173789), (121, 157990), (122, 156695), (154, 124135), (185, 103334), (242, 78995), (259, 73810), (305, 62678), (370, 51667), (385, 49654), (407, 46970), (427, 44770), (518, 36905), (605, 31598), (610, 31339), (671, 28490), (770, 24827), (814, 23485), (847, 22570), (854, 22385), (1210, 15799), (1295, 14762), (1342, 14245), (1694, 11285), (2035, 9394), (2135, 8954), (2257, 8470), (2590, 7381), (2849, 6710), (3355, 5698), (4070, 4697), (4235, 4514), (4270, 4477)]